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Re: Btrs vs ext4. Which one is more reliable?




On Thu 10 Aug 2017 at 07:04:09 (-0400), Dan Ritter wrote:
> On Wed, Aug 09, 2017 at 09:46:09PM -0400, David Niklas wrote:
> > On Sat, 29 Jul 2017 04:59:40 +0000
> > Andy Smith <andy@xxxxxxxxxxxxxx> wrote:
> > 
> > Also, my use case is at home where the power can and *does* fail. I also
> > find myself using the latest kernel and oftentimes an experimental driver
> > for my AMD graphics card, hence my need for a *very* stable fs over
> > sudden unmount.
> 
> Buy a cheap UPS with a USB or serial connection to your
> computer. Even if it only supplies power for 2 minutes, that's
> enough time for the computer to receive the power outage signal
> and do an orderly shutdown.

Two minutes barely covers the timeouts that can often occur when
shutting down systemd; the commonest timeout period here seems
to be 90 seconds. I wouldn't mind reducing them if that's possible.
Processes got just a few seconds with sysvinit before they were
killed.

> Useful packages:
> 
> apcupsd
> nut
> 
> Cyberpower's UPS systems have Linux support but not Debian
> packages; it takes about 10 minutes to download their scripts
> and figure out configuration.

Cheers,
David.